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Conti and Volterio develop automatic charging system

Technology for automatic charging to increase comfort. First systems of the charging robot planned for 2022. Initial use in private garages, later also in public spaces. Starting with 22 kW, later 50 kW.

No more cable clutter: The vehicle can be parked fairly loosely over the plate and automatically connects to the charging plate on the ground. | Photo: Conti
No more cable clutter: The vehicle can be parked fairly loosely over the plate and automatically connects to the charging plate on the ground. | Photo: Conti
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Johannes Reichel

The Hanover-based technology corporation Continental aims to simplify the charging of electric vehicles with a charging robot and has now entered into a cooperation with the startup Volterio. Through its development and production service provider Continental Engineering Services (CES), they are jointly developing an automated charging system. Both companies had previously been researching similar charging robot solutions independently of each other. In the new cooperation, both partners now complement each other, as they argue.

CES will develop the first near-series systems of the jointly conceived charging robot by mid-2022, meeting all necessary certification criteria of the automotive industry. The series production of the system is then planned for 2024 and will take place in Germany. Intelligent charging solutions for electric vehicles are seen as crucial milestones.

Technology allows for casual parking

The fully automatic charging solution consists of two components: a unit on the vehicle underbody and a unit placed on the garage floor. Once the car is parked, both components connect via a smart automation, which is controlled, among other things, via radio-based short-range communication in the ultra-wideband, the provider outlines. The advantage is that the car does not need to be parked accurately, the charging robot corrects up to 30 centimeters deviation from the ideal parking position. It is also irrelevant at what angle a vehicle is positioned relative to the floor unit, which is made possible by the conical design of the physical plug connection between the floor and vehicle unit in a full 360-degree radius.

“Our charging robot is a real evolutionary step to make electromobility more comfortable and suitable for everyday use. Through the cooperation, we combine the creativity and flexibility of a young startup with the development experience and automotive know-how of Continental Engineering Services," advertises Christoph Falk-Gierlinger, Managing Director of CES.

Just as much energy as conventional charging points

The new technology also offers the advantage that just as much energy can flow as with conventional charging stations via a physical connection. When refueling with the charging robot, hardly any energy is lost – compared to wireless inductive charging via a magnetic field – promises Conti. This makes the solution sustainable and resource-efficient. Another advantage is the increased comfort: The charging process runs completely automatically, without handling cables. Additionally, the system is supposed to be simple and quick to install. The floor unit can be placed or screwed onto the garage floor. This technology is also prepared for the future when vehicles drive fully automatically and park themselves in parking garages, predicts the provider.

The charging solution will initially be provided for use in private households with a compatible power output of 22 kW alternating current. The solution is designed as "retrofit," and can be retrofitted in existing vehicle models. In a second step, a retractable fast-charging solution for public spaces is to be developed, which will be used in parking garages, gas stations, or operational areas with a charging capacity of more than 50 kW direct current. This also includes corresponding versions for the fleet management of, for example, commercial vehicles.

Translated automatically from German.
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